First, install the gatsby-cli
if you don't have it already:
npm i -g gatsby-cli
Then, to create a new Gatsby project using this template, run the following command:
gatsby new your-site-name https://github.com/MinimumViablePerson/my-first-gatsby-template
Once that's done, cd into the newly created folder.
To open a development server, run:
gatbsy develop
To build the site for deployment, run:
gatsby build
To serve the build folder, run:
gatsby serve